Philadelphia to San Diego (& vice versa) for only $208 roundtrip
Cheap flights from Philadelphia to San Diego for only $208 roundtrip with United Airlines. Also works in reverse.
Philadelphia, USA → San Diego, USA
PROMO CODE: Alaska Airlines Coast to Coast from only $132 roundtrip
Alaska Airlines are running a promotion discounting many coast to coast routes across the USA. For example, fly from New York to San Francisco for only $132 roundtrip.
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